Across
- 3. ...table of elements
- 7. the thing we breath
- 10. famous scientist E=MC2
- 12. famous scientist made three important laws
- 13. the amount of stuff in an object
- 15. cobalt
Down
- 1. Ag
- 2. Au
- 4. a reaction that produces heat
- 5. Fe
- 6. two elements combined
- 8. the force of gravity of on an object
- 9. what we live in (its big)
- 11. When you cut something as small as you can it is an atom
- 14. what the sun is